Lock



1. Lock

1.1 : Perspective

1.2 : Front

1.3 : Back

1.4 : Left

1.5 : Right

1.6 : Top

1.7 : Bottom

Fig. 1.1 is a perspective view of the design; fig. 1.2 is a front view thereof; fig. 1.3 is a back view thereof; fig. 1.4 is a left side view thereof; fig. 1.5 is a right side view thereof; fig. 1.6 is a top view thereof; and fig. 1.7 is a bottom view thereof. 

CLAIM The ornamental design for a lock, as shown and described. 